lanah00
lanah00 lanah00
  • 09-03-2014
  • Mathematics
contestada

How do you find the circumfrence and area of a circle? Examples please or a link to a website.

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itssarahbtw itssarahbtw
  • 09-03-2014
Area or a circle
A= 3.14 (pi) multiplied by the radius to the second power
So if a circles radius is 3 cm it would be pi multiplied by 9 which equals 28.27 cm2
Circumference
C= pi multiplied by the diameter
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deathstrike001
deathstrike001 deathstrike001
  • 09-03-2014
To find the corcumference of the circle the formula is 2(pi)r
to find the area of the circle the formula is (pi)(r)(r) 
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